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莲藕病虫危害及其防治

发布日期: 2017-05-11 19:26

lianoubiemingliancai、shuifurong、ouhua、shuihuadeng。weishuiliankelianshuduonianshengsugenshuishengcaobenzhiwudegenzhuangfeidajing,sumingou。zhuchanyuhunan、hubei、jiangsu、jiangxi、zhejiang、fujiandengshengqu。yihunanchanpinzuijia,fujianchanliangzuiduo。

lianouxingxixiangyangwennuanhuanjing,xifei、xishui,shidangwenduyinengcujinshengzhang,shengyuqizuishiyiwenduwei25-30℃,weixiyangzhiwu。yejiaonaihan,xifeiwosongtucengshenhou、yifuhanfuzhizhidehu、tangshengzhanglianghao。

lianouyuanchanyazhoujiaozhou。dgzhenrenyouxiguonanbeigedijinshuichuyouzhi。zhongguohehuazaipeizhangda3000yunian,pinzhongfanduo。lianouzuoshucaiweimeiweiyingyangjiapin;oufenlaoyoushizhijieyi;lianzishiyongweiqingxiang;heyekezuoqingliangyinliao。lianouzhihua,doushiyouyiyurenleide,yongtuguangfan,shenshourenminxiai。xiamianjiulianoushengchanzhongchuxiandebingchonghaizuoyijieshao,tongshitanyixiafangzhibanfa。

dg真人游戏lianouheibanbinggaibingfashengyanzhong,changyinqizhuyekusi,yibanfashengzai8-9yuejian。fabingchuqi,yeshangchuxianhonghesexiaobandian,bianyuanchangweidanlvse,kuodahoubingbanjinyuanxinghuobuguizexing,youmingxianlunwen,shangshengheisemeizhuangwu,bingbankexianghulianhe,yepianshangjuanerkusi。

dg真人游戏fangzhifangfa: kezaifabingqiyong50%duojunling500beiye(jia0.3%xiyifen)penwu;jishiqingchubingye。

lianouhebanbingyouchengbanwenbing,fashengjiaopubian,7-9yueshifa,yanzhongzhekeshiheyezaoku,yebanyuanxing,xiangyemianshaolongqi,chuweidanhesezhihuanghese,houweihuihese,bianyuanyoukuan1haomizuoyoudeqianhesebozhuangwen。

fangzhifangfatongheibanbing。

lianoufubaibingyouchengkuweibing、fulanbing,shilianouzhongzhiqufashengzuipubian,weihaiyanzhongdebinghaizhiyi。gaibingzhuyaoweihaidixiajinghegenbu,bingzaochengdishangbukuwei。oufabingzaoqiwumingxianzhengzhuang。houqibingjing、lianbianhegenbeihaibuchenghesezhiziheisebingban,chuxianbingjingzongxiangzhousuo,lianbiandeshudaozuzhiyibianhese,liangenhuaisi。bingouchoushengdeyepianbiandanse,xianyeyuanchuxianqingku,houxiangneikuoda,zuihouzhenggeyepianjuanqujiaoku。fabingyanzhongtiankuai,quantianyipiankuhuang,sihuoshaozhuang。pouchuoukan,oujiekejianfenhongsezhanzhiwu(bingjunfenshengbaozituan)shicibingtezheng。

dg真人游戏fangzhifangfa: 1、zhongzhikangbingpinzhong;2、zhongouxiaodukeyong50%duojunlingkeshixingfen500beiyejin1-2xiaoshihuoyong50%duojunlingkeshifenyu75%baijunqingkeshifenjiqingshui1: 1: 800hunheyepenwu,qishangfugaisuliaobomomibi24xiaoshi,liangganhouzaizhi。3、fabingchuqiyong50%duojunlingkeshixingfen500beijia0.2%zhongxingxiyifenpensalianjinggan,meige3-5tian1ci,lianpen2-3ci。

dg真人游戏zhangtuishuiyejiasuchengdiqu,yiyouchongzaituzhongdixiajingjieshangqunjiweihai,shouhaioujieshangbanleilei,yanzhongyingxianglianouzhilianghechanliang,bingnengshanghaigenxi,shidishangbufahuang,yibanyuchitang、shenshuitian、qiulingshanqulengshuitianhediwazhangqijishuitian,pingyuandiqupaishuibuliangdeoushuiyoufashengjiaozhong。cichongyinianfashengyidai,yiyouchongzaishuizhongyuedong,cinianweihaioujie、genjing,5-6yuejianhuayong,6-7yueweiyuhuashengqi。chengchongshiyizhonglvhese,youguangzedexiaojiachong,feixianglibuqiang,7yuejianjiaoweichanluan,luanchanzailianheyejiyanzicaidengzacaoyebeimian。luanqi6-9tian,youchongfuchuhou,zaijizhuzhiwujingyexiapaxing,bingzuanrushuizhongweihaioujingjie。

fangzhifangfa: jishijiancha,faxianweihaishi,jishipaichutianshui,huoyong4%yidifen,meimuyong2gongjin,banxitu25gongjinshiyutianmian,fangruqianshuihougengrutuzhong,keyishamiediqu。

dg真人游戏lianyiguanya5-6yueweihaiyanzhong,shouhaiyebianhuangjuansuo,yanzhongzhequanzhukusi。

fangzhifangfa: guanshuimieya,fengbichushuikou,guanshuitaigaoshuiwei,shiyepianquanyanmeizaishuizhong2-5mishihou,zaijiangshuiweijiangdi,yachongjikexiaomie。rushuiweibunengdiaojiedechihu,kepen40%leguoruyou1000-1500beiyehuo2.5%dishasiruyou4000beiyepensha。

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